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Laterite
Laterite

Greywacke
Greywacke



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Laterite vs Greywacke

Definition

Definition

Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay

History

Origin

India
Unknown

Discoverer

Francis Buchanan-Hamilton
Unknown

Etymology

From Latin later brick, tile + -ite1
From German Grauwacke, from grau grey + wacke

Class

Sedimentary Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

Not Applicable
Not Applicable

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Earthy, Massive, Porphyritic
Clastic

Color

Brown, Buff, Red
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Rough and Banded
Dull

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Interior Decoration
Decorative Aggregates, Floor Tiles, Flooring, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone

Other Architectural Uses

Curbing
Curbing, Whetstones

Industry

Construction Industry

Cobblestones, for Road Aggregate, Landscaping, Roadstone
Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Raw material for the manufacture of mortar

Medical Industry

Not Available
Not Available

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Sculpture, Small Figurines

Other Uses

Commercial Uses

An Oil and Gas Reservoir, Source of bauxite, Used in aquariums
As armour rock for sea walls, Petroleum reservoirs, Sea Defence, Tombstones

Types

Types

Not Available
Not Available

Features

Is one of the oldest rock, Very fine grained rock
Available in Lots of Colors and Patterns, Generally rough to touch, Non-vesicular, Veined

Archaeological Significance

Monuments

Used
Not Yet Used

Famous Monuments

Not Available
Not Applicable

Sculpture

Used
Used

Famous Sculptures

Not Available
Not Available

Pictographs

Used
Not Used

Petroglyphs

Used
Not Used

Figurines

Used
Used

Fossils

Present
Present

Formation

Formation

Laterite is a type of sedimentary rock which is generally a reddish weathering product of basalt.
Graywacke rock is a type of sedimentary rock, which is also known as immature sandstone, which is indurated, dark grey and consisting of poorly sorted angular to sub-angular, sand-sized grains.

Composition

Mineral Content

Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene
Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Aluminium Oxide, NaCl, CaO, Chromium(III) Oxide, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

Not Applicable
Not Applicable

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering

Erosion

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion
Coastal Erosion, Sea Erosion, Wind Erosion

Properties

Physical Properties

Hardness

26-7
1 7
👆🏻

Grain Size

Fine Grained
Angular and Fine

Fracture

Conchoidal
Conchoidal

Streak

White
White

Porosity

Highly Porous
Highly Porous

Luster

Dull
Dull

Compressive Strength

NANA
0.15 450
👆🏻

Cleavage

Not Applicable
Perfect

Toughness

Not Available
2.6

Specific Gravity

Not Available2.2-2.8
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

Not Available2.6-2.61 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

NANA
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant
Heat Resistant, Impact Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

India
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

Africa

East Africa, Western Africa
Namibia, Nigeria, South Africa

Europe

England, Romania, Scotland
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

Others

Not Available
Greenland

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Not Available
Brazil

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
New South Wales, New Zealand

Laterite vs Greywacke Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Laterite and Greywacke Reserves. Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas. Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Laterite vs Greywacke information and Laterite vs Greywacke characteristics in the upcoming sections.

Laterite vs Greywacke Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Laterite vs Greywacke characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Laterite and Properties of Greywacke. Learn more about Laterite vs Greywacke in the next section. The interior uses of Laterite include Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Greywacke include Decorative aggregates, Floor tiles, Flooring, Homes and Interior decoration. Due to some exceptional properties of Laterite and Greywacke, they have various applications in construction industry. The uses of Laterite in construction industry include Cobblestones, For road aggregate, Landscaping, Roadstone and that of Greywacke include Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate, Raw material for the manufacture of mortar.

More about Laterite and Greywacke

Here you can know more about Laterite and Greywacke. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Laterite and Greywacke consists of mineral content and compound content. The mineral content of Laterite includes Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene and mineral content of Greywacke includes Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Laterite vs Greywacke, the texture, color and appearance plays an important role in determining the type of rock. Laterite is available in brown, buff, red colors whereas, Greywacke is available in beige, black, brown, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. Appearance of Laterite is Rough and Banded and that of Greywacke is Dull. Properties of rock is another aspect for Laterite vs Greywacke. The hardness of Laterite is 2 and that of Greywacke is 6-7. The types of Laterite are Not Available whereas types of Greywacke are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Laterite and Greywacke is white. The specific heat capacity of Laterite is Not Available and that of Greywacke is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Laterite is heat resistant, pressure resistant whereas Greywacke is heat resistant, impact resistant, pressure resistant.